Tweet PHP means Hypertext Preprocesses. Earlier its calles ad Personal Home page. PHP is developed by Rasmus Lerdorf initially created a bunch of perl scripts called as Personal Home Page.
In 2008 PHP 5 became the only stable version under development programming language. PHP is a server side programming language using for web development. PHP is usually used for create dynamic web pages,images on website.We can also use PHP for commend line scripting and Client Side-GUI application.PHP is open source and Cross platformed, because of that it can be run in most of the operating systems,web servers and other platforms. PHP also being used in RDBMS (Relational Database Management System).
PHP Data Type: PHP stores whole numbers in a platform-dependent range, either a 64-bit or 32-bit signed integer equivalent to the C-language long type.In certain situations snsigned integers are converted to signed values.
PHP becomes popular now a days because of its flexibility, Cross Platform and mainly Open Source. Most of the web applications are running in PHP now. Learing of PHP also easy. You can download my Ebook called "Learn PHP Yourself" and get idea about php to your programming career.